PL336405A1 - Method of purifying isoquinoline - Google Patents

Method of purifying isoquinoline

Info

Publication number
PL336405A1
PL336405A1 PL33640599A PL33640599A PL336405A1 PL 336405 A1 PL336405 A1 PL 336405A1 PL 33640599 A PL33640599 A PL 33640599A PL 33640599 A PL33640599 A PL 33640599A PL 336405 A1 PL336405 A1 PL 336405A1
Authority
PL
Poland
Prior art keywords
isoquinoline
purifying
purifying isoquinoline
Prior art date
Application number
PL33640599A
Other versions
PL195193B1 (en
Inventor
Joerg Talbiersky
Edgar Fuhrmann
Wolfgang Brueggemann
Original Assignee
Ruetgers Vft Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ruetgers Vft Ag filed Critical Ruetgers Vft Ag
Publication of PL336405A1 publication Critical patent/PL336405A1/en
Publication of PL195193B1 publication Critical patent/PL195193B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
    • C07D217/02—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
PL336405A 1998-11-04 1999-11-04 Method of purifying isoquinoline PL195193B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1998150645 DE19850645C1 (en) 1998-11-04 1998-11-04 Single stage recovery of high purity isoquinoline, useful e.g. as starting material for drugs or dyes, by crystallizing isoquinoline fraction from coal-tar having restricted quinoline and quinaldine contents

Publications (2)

Publication Number Publication Date
PL336405A1 true PL336405A1 (en) 2000-05-08
PL195193B1 PL195193B1 (en) 2007-08-31

Family

ID=7886541

Family Applications (1)

Application Number Title Priority Date Filing Date
PL336405A PL195193B1 (en) 1998-11-04 1999-11-04 Method of purifying isoquinoline

Country Status (8)

Country Link
EP (1) EP0999210B1 (en)
JP (1) JP3550059B2 (en)
CN (1) CN1145611C (en)
CZ (1) CZ296565B6 (en)
DE (2) DE19850645C1 (en)
DK (1) DK0999210T3 (en)
PL (1) PL195193B1 (en)
RU (1) RU2224749C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003073359A (en) * 2001-09-04 2003-03-12 Kanegafuchi Chem Ind Co Ltd Method for refining isoquinoline
CN101747269B (en) * 2009-12-23 2012-07-18 上海煦旻化工科技发展有限公司 Purification method of isoquinoline
CN103641780B (en) * 2013-12-05 2016-08-17 南京理工大学 A kind of method of purifying isoquinoline from coal tar crude product
CN107382850A (en) * 2017-09-25 2017-11-24 贾海亮 A kind of 2 methylquinoline and its isomer and the separation method of isoquinolin
CN113461613A (en) * 2021-07-19 2021-10-01 上海万容医药化工有限公司 Method for purifying isoquinoline

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2483420A (en) * 1946-03-08 1949-10-04 Koppers Co Inc Purification of isoquinoline

Also Published As

Publication number Publication date
DK0999210T3 (en) 2005-04-25
JP2000143633A (en) 2000-05-26
CZ9903898A3 (en) 2001-03-14
DE59911321D1 (en) 2005-01-27
PL195193B1 (en) 2007-08-31
DE19850645C1 (en) 2000-03-23
EP0999210B1 (en) 2004-12-22
EP0999210A1 (en) 2000-05-10
RU2224749C2 (en) 2004-02-27
CZ296565B6 (en) 2006-04-12
CN1145611C (en) 2004-04-14
JP3550059B2 (en) 2004-08-04
CN1253133A (en) 2000-05-17

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Legal Events

Date Code Title Description
RECP Rectifications of patent specification
LAPS Decisions on the lapse of the protection rights

Effective date: 20101104